EVB71121 Melexis Company, EVB71121 Datasheet - Page 8

• Manufacturer Part Number: EVB71121
• Description: Evaluation Board For Mlx71121
• Manufacturer: Melexis Company

2.2
IF2 = 1.8MHz.
2.3
The receiver’s multi-band functionality can be used to operate at two different frequency bands just by
changing the logic level at pin RFSEL and without changing the crystal. This feature is applicable for
common use of the 433 and 868MHz bands. Below table shows the corresponding frequency plans.
IF2 = 1.8MHz.
39012 71121 01
Rev. 003
RFSEL
RFSEL
0
1
0
1
Standard Frequency Plans
433/868MHz Frequency Diversity
f
f
RF
RF
433.92
433.25
868.3
868.3
315
915
[MHz]
[MHz]
f
f
IF1
IF1
107.40
303.80
147.04
288.23
146.82
288.23
[MHz]
[MHz]
Page 8 of 18
f
f
LO1
LO1
422.40
580.96
580.07
611.20
580.07
580.07
[MHz]
[MHz]
Evaluation Board Description
300 to 930MHz Receiver
f
f
LO2
LO2
105.60
145.24
290.03
305.60
145.02
290.03
[MHz]
[MHz]
EVB71121
EVB Description
17.600000
24.206667
24.169444
25.466667
24.169444
f
f
RO
RO
[MHz]
[MHz]
Jan/08